JMeter Performance Testing Tutorial 21- How to Use CSV Data Config for Data-Driven Testing in JMeter

CSV Dataset variables are defined at the start of each test iteration. As this is after configuration processing is completed, they cannot be used for some configuration items - such as JDBC Config - that process their contents at configuration time (see Bug 40394) However the variables do work in the HTTP Auth Manager, as the username, etc. are processed at run-time.
As a special case, the string "\t" (without quotes) in the delimiter field is treated as a Tab.
When the end of the file (EOF) is reached, and the recycle option is true, the reading starts again with the first line of the file.
If the recycle option is false, and the stop thread is false, then all the variables are set to EOF when the end of the file is reached. This value can be changed by setting the JMeter property csvdataset.eofstring.
If the Recycle option is false, and Stop Thread is true, then reaching EOF will cause the thread to be stopped.
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[@TestingFunda]

😊 Hello and thank you for watching! We'd love to hear your opinions in the comments section. 👉 For more videos on JMeter Performance Testing, please visit: kzbin.info/www/bejne/nqPVh2OugNqNrZo 👉 Don’t forget to SUBSCRIBE to our channel for more such videos & valuable content: kzbin.info

[@amerkhan8675]

Works well. Thank you

[@andrewkotov3234]

The number of test users in CSV file should correspond the number of threads?

[@TestingFunda]

Yes else it will repeat

[@pavithram487]

Hi, I have Thread Group with three requests (login, do some process, logout) I'm passing data's(1500 data) from csv config file for login and do some process request. It is working fine if i give thread count as 1500, but i want to run the thread group in loop for infinite time were after reaching 1500 data in csv file again it should continue from the first row. I tried a lot but it is not working.For Login, after reaching 1500 data it again starts from 1st but for the next request after reaching 1500 data it takes empty data from csv file even though i have set true for recycle EOF. Can you just give me a solution. Thanks

[@TestingFunda]

You have 3 requests and Thread count should be 3 times. For example , Your CSV contains 1500 Test data then in thread group you need to set 3*1500 = 4500. It will work. But this is not a good practise, there should be seperate thread group for each functionality.

[@pavithram487]

@@TestingFunda Actually there are 1500 users each users we will login and fetch data from 2 csv file and do some processing and logout, the same is repeated for 1500 users(1500 login details and 1500 data for processing). This i wanted to run in loop for infinite time.

[@vivekhegde9928]

How to use thi method for post request?

[@TestingFunda]

In this example tutorial I have covered the post request

[@gayatritankar7856]

hello sir, i have followed all those steps properly, still get errors in some of the threads, why it's happening

[@TestingFunda]

What are the errors ?

[@gayatritankar7856]

some threads are running properly and some are not, get an assertion failure message, I did not use any repetitive username still got this error, I don't understand why it's happening@@TestingFunda

[@TestingFunda]

@gayatritankar7856 please share the error message. So that I can better guide you.

[@gayatritankar7856]

@@TestingFunda just solved sir, thanks for your reply🙏

[@TestingFunda]

@@gayatritankar7856 great 👍

[@Missclassynova]

API not working

[@TestingFunda]

You can use any other dummy api

[@Missclassynova]

@@TestingFunda yes worked